3Com 3CR17662-91, 3CR17661-91 manual Interface, File list similar to the following is displayed

60CHAPTER 5: UPGRADING SOFTWARE

Upgrading from the This section describes how to upgrade files to your Switch from the

Command Line Command Line Interface (CLI).

Interface

The basic procedure is to check that you have enough space available in flash memory, backup your existing Switch software, and then upgrade the Switch software. The following sections describe these steps in detail.

Check Flash Space Before upgrading the software to your Switch from the CLI, it is Available important to check the contents of the flash to ensure that there is

enough space to download the new files.

The flash space needed for the new files is approximately 5.5 MB.

1To check the contents of the flash, logon to your Switch either using a telnet connection or directly using the console to display the User View in the CLI and enter the following:

<4200G> dir unit1>flash:

A file list similar to the following is displayed:

Directory of unit1>flash:/

1	(*) -rw- 4586799 Apr 06 2000 18:55:31					s3t03_01_00s56.app
2	(*) -rw-	890179	Apr 06 2000		18:56:51	s3v01_00.web
3	-rw-	296336	Apr	06 2000	19:01:23	s3u01_00.btm
4	-rw-	3333	Apr	02 2000	00:00:29	3comoscfg.def
15367 KB total (9582			KB free)

(*) -with main attribute	(b) -with backup attribute
(*b) -with both main and	backup attribute

The file system listing may also contain files called topology.top and configuration files (file suffix .cfg).

2Any additional files should be considered for deletion to allow maximum space for downloading the new files. To delete a file from the list enter:

<4200G> delete/unreserved unit1>flash:/filename

CAUTION: Do not delete the topology.top file, or any configuration files (file suffix .cfg).